Shimano XT RT-CL800 Disc Rotor 180mm Ice-Tech Centerlock External Serration W/ Lockring ENVEMARCH Fits 52mm lower bearings

Fits 52mm lower bearings

-PD-R8000/6800: +65 mm

Charge time (hours) : 1:45

Premium YKK zippers for durability

Lightweight sets new standards in the combination of aerodynamics

Shimano XT RT-CL800 Disc Rotor 180mm Ice-Tech Centerlock External Serration W/ Lockring ENVEMARCH Fits 52mm lower bearingsWith a focus on decreasing disc brake rotor heat deformation, the result of the new disc brake rotor is quieter than ever brake performance without sacrificing weight or heat dissipation. Features Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation The new arm shape is more robust, leading to quieter operation Mfr Claimed Weight TBC